Study of the discrete vector controller for current regulation of flexible grounding compensation method
The active and high-frequency harmonic current are compensated by introducing power electronics converter of the flexible grounding, which achieves full compensation of the single-phase to earth current to achieve a fast arc extinction. Thus, the flexible grounding is promising in the distribution n...
| Main Authors: | , , |
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| Format: | Article |
| Language: | zho |
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National Computer System Engineering Research Institute of China
2023-04-01
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| Series: | Dianzi Jishu Yingyong |
| Subjects: | |
| Online Access: | http://www.chinaaet.com/article/3000160465 |
| _version_ | 1797447935655411712 |
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| author | Hu Zhining Li Xianyun Zhao Zhihong |
| author_facet | Hu Zhining Li Xianyun Zhao Zhihong |
| author_sort | Hu Zhining |
| collection | DOAJ |
| description | The active and high-frequency harmonic current are compensated by introducing power electronics converter of the flexible grounding, which achieves full compensation of the single-phase to earth current to achieve a fast arc extinction. Thus, the flexible grounding is promising in the distribution network. Regarding the active and harmonic current control, this paper proposes to design the controller in the discrete-time domain based on the discrete model of the plant, which deals with the one-sample delay directly. The discrete complex current controller is developed which achieves AC current regulation in the stationary reference frame without steady-state error. With regard to the proposed controller, a tuning method based on critical damping is proposed based on the discrete root locus analysis, which avoids overshoot and optimizes the settling time. The simulation results have verified the effectiveness of the proposed controller and the tuning method. |
| first_indexed | 2024-03-09T14:03:06Z |
| format | Article |
| id | doaj.art-9f89687c129d473283b13ed7b858aa9c |
| institution | Directory Open Access Journal |
| issn | 0258-7998 |
| language | zho |
| last_indexed | 2024-03-09T14:03:06Z |
| publishDate | 2023-04-01 |
| publisher | National Computer System Engineering Research Institute of China |
| record_format | Article |
| series | Dianzi Jishu Yingyong |
| spelling | doaj.art-9f89687c129d473283b13ed7b858aa9c2023-11-30T05:41:31ZzhoNational Computer System Engineering Research Institute of ChinaDianzi Jishu Yingyong0258-79982023-04-0149410511010.16157/j.issn.0258-7998.2235603000160465Study of the discrete vector controller for current regulation of flexible grounding compensation methodHu Zhining0Li Xianyun1Zhao Zhihong2(1.School of Electric Power Engineering， Nanjing Institute of Technology， Nanjing 211167， China(1.School of Electric Power Engineering， Nanjing Institute of Technology， Nanjing 211167， ChinaSchool of Automation， Nanjing University of Science and Technology， Nanjing 210096， China)The active and high-frequency harmonic current are compensated by introducing power electronics converter of the flexible grounding, which achieves full compensation of the single-phase to earth current to achieve a fast arc extinction. Thus, the flexible grounding is promising in the distribution network. Regarding the active and harmonic current control, this paper proposes to design the controller in the discrete-time domain based on the discrete model of the plant, which deals with the one-sample delay directly. The discrete complex current controller is developed which achieves AC current regulation in the stationary reference frame without steady-state error. With regard to the proposed controller, a tuning method based on critical damping is proposed based on the discrete root locus analysis, which avoids overshoot and optimizes the settling time. The simulation results have verified the effectiveness of the proposed controller and the tuning method.http://www.chinaaet.com/article/3000160465flexible groundingcurrent compensationdiscrete complex controllercritical damping |
| spellingShingle | Hu Zhining Li Xianyun Zhao Zhihong Study of the discrete vector controller for current regulation of flexible grounding compensation method Dianzi Jishu Yingyong flexible grounding current compensation discrete complex controller critical damping |
| title | Study of the discrete vector controller for current regulation of flexible grounding compensation method |
| title_full | Study of the discrete vector controller for current regulation of flexible grounding compensation method |
| title_fullStr | Study of the discrete vector controller for current regulation of flexible grounding compensation method |
| title_full_unstemmed | Study of the discrete vector controller for current regulation of flexible grounding compensation method |
| title_short | Study of the discrete vector controller for current regulation of flexible grounding compensation method |
| title_sort | study of the discrete vector controller for current regulation of flexible grounding compensation method |
| topic | flexible grounding current compensation discrete complex controller critical damping |
| url | http://www.chinaaet.com/article/3000160465 |
| work_keys_str_mv | AT huzhining studyofthediscretevectorcontrollerforcurrentregulationofflexiblegroundingcompensationmethod AT lixianyun studyofthediscretevectorcontrollerforcurrentregulationofflexiblegroundingcompensationmethod AT zhaozhihong studyofthediscretevectorcontrollerforcurrentregulationofflexiblegroundingcompensationmethod |